Extracting Heatmap

March 11, 2015

(This article was first published on Timely Portfolio, and kindly contributed to R-bloggers)

Inspired by this tweet, I wanted to try to do something similar in JavaScript. Very cool hack: Extracting the original data from a heatmap image with R vector ops #rstats http://t.co/Lbi6FCXdrI pic.twitter.com/LCabkMGjXY— Gregory Piatetsky (@kdnuggets) March 6, 2015 Fortunately, I had this old post Chart from R + Color from Javascript to serve as a reference, and I got lots of help from these

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